PETROCHEMICAL
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SPRING WASHERS (METRIC)
SQUARE SECTION DIN 7980
| DIA | D1 (MIN) | D1 (MAX) | D2 (NOM) | S (MIN) | H (MIN) | H (MAX) |
|---|---|---|---|---|---|---|
| M3 | 3.1 | 3.4 | 5.6 | 1.0 | 2.00 | 2.36 |
| M4 | 4.1 | 4.4 | 7.0 | 1.2 | 2.40 | 2.83 |
| M5 | 5.1 | 5.4 | 8.8 | 1.6 | 3.20 | 3.78 |
| M6 | 6.1 | 6.5 | 9.9 | 1.6 | 3.20 | 3.78 |
| M8 | 8.1 | 8.5 | 12.7 | 2.0 | 4.00 | 4.72 |
| M10 | 10.2 | 10.7 | 16.0 | 2.5 | 5.00 | 5.90 |
| M12 | 12.2 | 12.7 | 16.0 | 2.5 | 5.00 | 5.90 |
| M14 | 14.2 | 14.7 | 21.1 | 3.0 | 6.00 | 7.10 |
| M16 | 16.2 | 17.0 | 24.4 | 3.5 | 7.00 | 8.25 |
| M18 | 18.2 | 19.0 | 26.4 | 3.5 | 7.00 | 8.25 |
| M20 | 20.2 | 21.2 | 30.6 | 4.5 | 9.00 | 10.60 |
| M22 | 22.5 | 23.5 | 32.9 | 4.5 | 9.00 | 10.60 |
| M24 | 24.5 | 25.5 | 35.9 | 5.0 | 10.00 | 11.80 |
| M27 | 27.5 | 28.5 | 38.9 | 5.0 | 10.00 | 11.80 |
| M30 | 30.5 | 31.7 | 44.1 | 6.0 | 12.00 | 24.20 |
| M33 | 33.5 | 34.7 | 47.1 | 6.0 | 12.00 | 14.20 |
| M36 | 36.5 | 37.7 | 52.2 | 7.0 | 14.00 | 26.50 |
| M42 | 42.5 | 43.7 | 60.2 | 8.0 | 16.00 | 18.90 |
| M48 | 49.0 | 50.5 | 67.0 | 8.0 | 16.00 | 18.90 |
PLATE & BOLT DATA
M3
D1 (MIN)3.1
D1 (MAX)3.4
D2 (NOM)5.6
S (MIN)1.0
H (MIN)2.00
H (MAX)2.36
M4
D1 (MIN)4.1
D1 (MAX)4.4
D2 (NOM)7.0
S (MIN)1.2
H (MIN)2.40
H (MAX)2.83
M5
D1 (MIN)5.1
D1 (MAX)5.4
D2 (NOM)8.8
S (MIN)1.6
H (MIN)3.20
H (MAX)3.78
M6
D1 (MIN)6.1
D1 (MAX)6.5
D2 (NOM)9.9
S (MIN)1.6
H (MIN)3.20
H (MAX)3.78
M8
D1 (MIN)8.1
D1 (MAX)8.5
D2 (NOM)12.7
S (MIN)2.0
H (MIN)4.00
H (MAX)4.72
M10
D1 (MIN)10.2
D1 (MAX)10.7
D2 (NOM)16.0
S (MIN)2.5
H (MIN)5.00
H (MAX)5.90
M12
D1 (MIN)12.2
D1 (MAX)12.7
D2 (NOM)16.0
S (MIN)2.5
H (MIN)5.00
H (MAX)5.90
M14
D1 (MIN)14.2
D1 (MAX)14.7
D2 (NOM)21.1
S (MIN)3.0
H (MIN)6.00
H (MAX)7.10
M16
D1 (MIN)16.2
D1 (MAX)17.0
D2 (NOM)24.4
S (MIN)3.5
H (MIN)7.00
H (MAX)8.25
M18
D1 (MIN)18.2
D1 (MAX)19.0
D2 (NOM)26.4
S (MIN)3.5
H (MIN)7.00
H (MAX)8.25
M20
D1 (MIN)20.2
D1 (MAX)21.2
D2 (NOM)30.6
S (MIN)4.5
H (MIN)9.00
H (MAX)10.60
M22
D1 (MIN)22.5
D1 (MAX)23.5
D2 (NOM)32.9
S (MIN)4.5
H (MIN)9.00
H (MAX)10.60
M24
D1 (MIN)24.5
D1 (MAX)25.5
D2 (NOM)35.9
S (MIN)5.0
H (MIN)10.00
H (MAX)11.80
M27
D1 (MIN)27.5
D1 (MAX)28.5
D2 (NOM)38.9
S (MIN)5.0
H (MIN)10.00
H (MAX)11.80
M30
D1 (MIN)30.5
D1 (MAX)31.7
D2 (NOM)44.1
S (MIN)6.0
H (MIN)12.00
H (MAX)24.20
M33
D1 (MIN)33.5
D1 (MAX)34.7
D2 (NOM)47.1
S (MIN)6.0
H (MIN)12.00
H (MAX)14.20
M36
D1 (MIN)36.5
D1 (MAX)37.7
D2 (NOM)52.2
S (MIN)7.0
H (MIN)14.00
H (MAX)26.50
M42
D1 (MIN)42.5
D1 (MAX)43.7
D2 (NOM)60.2
S (MIN)8.0
H (MIN)16.00
H (MAX)18.90
M48
D1 (MIN)49.0
D1 (MAX)50.5
D2 (NOM)67.0
S (MIN)8.0
H (MIN)16.00
H (MAX)18.90
Dimensions in millimetres
Available in Mild Steel and A2 & A4 Stainless Steel
Other materials manufactured on request